SILVER
UNII 3M4G523W1G

Substance Identification & Data

This profile provides standardized clinical and technical data for Silver, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 3M4G523W1G.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 7440-22-4 and the RxNorm Concept ID (RxCUI) 9785. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code
3M4G523W1G
CAS Registry Number
7440-22-4
RxNorm Concept ID

Detailed Substance Profile

Preferred Name
SILVER
Official standardized name for this substance within the FDA UNII nomenclature system.
Molecular Formula
3M4G523W1G
The specific atomic composition represented as a molecular structure string.
InChIKey
Ag
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
BQCADISMDOOEFD-UHFFFAOYSA-N
Line notation for describing the chemical structure and connectivity of atoms.
NCI Thesaurus
National Cancer Institute reference terminology for clinical and research data.
PubChem CID
Unique identification number in the NCBI database of chemical substances.
Substance Type
chemical
ISO 11238 classification category (e.g., Chemical, Polymer, Protein).
Ingredient Role
[Ag]

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for Silver. Identifiers are organized into official regulatory terms, commercial trade names, and technical systematic synonyms used to ensure accurate identification across clinical pharmaceutical databases, regulatory filings, and electronic health records.

FDA Official Name

CI 77820
COLLOIDAL SILVER
SILVER

Common Names & Synonyms

ARGENTUM METALLICUM
ARGENTUM METALLICUM [HPUS]
NANOSILVER
SILVER (E 174)
SILVER [HSDB]
SILVER [MART.]
SILVER [MI]
SILVER [VANDF]
SILVER [WHO-DD]
SILVER COLLOIDAL
SILVER COLLOIDAL [VANDF]
SILVER COLLOIDAL [WHO-DD]
SILVER NANOPARTICLES
SILVER, COLLOIDAL
SILVER, COLLOIDAL [EP MONOGRAPH]

Technical Codes

E-174
INS NO.174
INS-174

NDC Products Containing SILVER

This unique ingredient identifier is listed as an ingredient or substance in the following products in the NDC directory: